Originally Posted By: JohnK
David, it compensates for low sound levels in two ways: 1)it continually adjusts the relative bass and treble levels to compensate for the lower sensitivity of the ear to the lowest bass and highest treble as sound levels decrease; 2)it increases the level of the surrounds relative to the mains as sound levels decrease, so that the surround effect isn't diminished.


FWIW, I think it's a great feature to have.